171012203 has 2 divisors, whose sum is σ = 171012204. Its totient is φ = 171012202.

The previous prime is 171012167. The next prime is 171012221. The reversal of 171012203 is 302210171.

It is a strong prime.

It is an emirp because it is prime and its reverse (302210171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171012203 - 2⁶ = 171012139 is a prime.

It is not a weakly prime, because it can be changed into another prime (171012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85506101 + 85506102.

It is an arithmetic number, because the mean of its divisors is an integer number (85506102).

Almost surely, 2^171012203 is an apocalyptic number.

171012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

171012203 is an equidigital number, since it uses as much as digits as its factorization.

171012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 171012203 is about 13077.1634156647. The cubic root of 171012203 is about 555.0631132404.

Adding to 171012203 its reverse (302210171), we get a palindrome (473222374).

The spelling of 171012203 in words is "one hundred seventy-one million, twelve thousand, two hundred three".